tools/testing/selftests/damon/debugfs_target_ids_pid_leak.sh

   1 #!/bin/bash
   2 # SPDX-License-Identifier: GPL-2.0
   3
   4 before=$(grep "^pid " /proc/slabinfo | awk '{print $2}')
   5
   6 nr_leaks=$(./debugfs_target_ids_pid_leak 1000)
   7 expected_after_max=$((before + nr_leaks / 2))
   8
   9 after=$(grep "^pid " /proc/slabinfo | awk '{print $2}')
  10
  11 echo > /sys/kernel/debug/damon/target_ids
  12
  13 echo "tried $nr_leaks pid leak"
  14 echo "number of active pid slabs: $before -> $after"
  15 echo "(up to $expected_after_max expected)"
  16 if [ $after -gt $expected_after_max ]
  17 then
  18         echo "maybe pids are leaking"
  19         exit 1
  20 else
  21         exit 0
  22 fi